Monarch butterflies are making their flight north after wintering in Mexico. Here's what to know about the fascinating, ...

The splashy monarch butterfly only lives about five weeks, but its entire survival is in question due to threats posed by ...

The Trump administration is reopening public comment on a proposed rule that would list the monarch butterfly as threatened ...

The U.S. Fish and Wildlife Service has announced the reopening of the public comment period for a proposed rule to list the ...

If you noticed a lack of orange and black wings fluttering through your backyard this summer, it's not just you. The distinctive and much-loved monarch butterfly has had a noticeable drop in its ...

Just a few years ago, the eastern monarch was considered endangered by the International Union for Conservation of Nature ...

Millions of black and orange wings will flutter across the U.S. this spring, as the monarch butterflies make their annual trip from Mexico to Canada.

The high-altitude forest here is the perfect microclimate for the species, and it’s one of the few places in the world where ...

The U.S. Fish and Wildlife Service is opening a second comment period as they work to list the monarch butterfly on the ...

One butterfly comes so far, and then it will stop to reproduce, and then the offspring from that monarch will emerge from the ...